\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Cross-Candidate Communication, Affective Polarization (Feeling Thermometer) and In-Party Candidate Support\label{tab:ccXapftfmc}}
\begin{tabular}{l*{3}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   \\
                &In-Group Affect   &Out-Group Affect   &Difference   \\
                &      b/p   &      b/p   &      b/p   \\
\hline
Candidate Support&            &            &            \\
RCV Comp.       &    0.190   &   -0.050   &    0.204   \\
                &  (0.473)   &  (0.932)   &  (0.593)   \\
RCV Comp. + Endorse&   -1.633***&   -0.899   &   -0.717*  \\
                &  (0.000)   &  (0.070)   &  (0.020)   \\
Out Therm.      &    1.189   &            &            \\
                &  (0.095)   &            &            \\
RCV Comp. x Out Therm.&    0.671   &            &            \\
                &  (0.558)   &            &            \\
RCV Comp. + Endorse x Out Therm.&    1.894*  &            &            \\
                &  (0.036)   &            &            \\
In Therm.       &            &    2.403***&            \\
                &            &  (0.000)   &            \\
RCV Comp. x In Therm.&            &    0.426   &            \\
                &            &  (0.621)   &            \\
RCV Comp. + Endorse x In Therm.&            &   -0.682   &            \\
                &            &  (0.331)   &            \\
Diff. Therm     &            &            &    0.762   \\
                &            &            &  (0.066)   \\
RCV Comp. x Diff. Therm&            &            &    0.069   \\
                &            &            &  (0.917)   \\
RCV Comp. + Endorse x Diff. Therm&            &            &   -1.175*  \\
                &            &            &  (0.025)   \\
Constant        &    2.008***&    0.580   &    1.851***\\
                &  (0.000)   &  (0.130)   &  (0.000)   \\
\hline
Psuedo R$^2$    &     0.11   &     0.11   &     0.08   \\
\textit{N}      &     1765   &     1765   &     1765   \\
\hline\hline
\end{tabular}
\end{table}
